T&D TR-71W - Getting the TR-71 W; 72 W Ready to Use; Installing the Backup Battery

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Getting the TR-71W / 72W Ready to Use
Installing the Backup Battery
1.Pull out the battery case.
2.Insert the battery into the case making sure not to mistake +/-.
Insert a new battery into the case.
3.Replace the battery case.
There are no POWER switches on the TR-71W/72W units. Once the battery is
reinserted, power will go on.